How does wi-fi and 3G work? (ipad)?

Networking/Security Forums -> Networking

Author: bradjohn PostPosted: Thu Jun 16, 2011 3:24 am    Post subject: How does wi-fi and 3G work? (ipad)?
I'm under the impression that anyone who has an ipad or iphone can access internet from it for free. Is that right? If so, who pays for that internet? Is there a download limit?

I believe I understand what wi-fi is. Internet that doesnt require a dial-up connection (it always runs) BUT you need a password so you can access it, and the usage is charged to whoever owns it. But what is 3G and how does it work?


Author: manningLocation: Northern Ohio USA PostPosted: Thu Jun 16, 2011 4:17 pm    Post subject:
3G is a term that refers to a cellular phone standard. So, an iPad with 3G connectivity uses a cellular connection using hardware built into the device. You pay for the service through your cell service provider.

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